<html>
    <head>
        <title>Test</title>
        <style>

#the-button > menu {
    border-width:0;
    border-radius: 6px;
    box-shadow: 2px 2px 10px #888888;
    margin:8px;
    padding:3px 0;
}

        </style>
        <script></script>
    </head>
    <body>


<button|menu #the-button>
  With menu
  <menu.popup>
    <li>Veni</li>
    <li>Vidi</li>
    <li>Vici</li>
  </menu>
</button>

    </body>
</html>